中枢终于画对了，可以交易了

ChanZS.py

@@ -69,4 +69,23 @@ class ChanZS():
     def set_gg(self, gg):
         self.gg = gg
     def set_dd(self, dd):
-        self.dd = dd
+        self.dd = dd
+
+
+# 大级别中枢：由多个区间重叠（扩张）的笔/线段中枢合并而成，用于显示更大级别的震荡区间
+class ChanZS_Big():
+    def __init__(self, zs_list):
+        assert len(zs_list) >= 1
+        self.zs_list = list(zs_list)
+        first = self.zs_list[0]
+        last = self.zs_list[-1]
+        self.start_time = first.start_time
+        self.end_time = last.end_time if last.end_time else None
+        self.start_klc = first.start_klc
+        self.end_klc = last.end_klc
+        # 大级别区间取并集：包住所有子中枢
+        self.zd = min(zs.zd for zs in self.zs_list)
+        self.zg = max(zs.zg for zs in self.zs_list)
+        self.dd = min(zs.dd for zs in self.zs_list)
+        self.gg = max(zs.gg for zs in self.zs_list)
+        self.index = 0  # 由外部设置